code: def test_is_same_labeling():
      np.random.seed(143)
      ell = (np.random.random((256, 256)) * 16).astype(np.intc)
      order = np.arange(1, 16)
      np.random.shuffle(order)
      order = np.insert(order, 0, 0)
      assert mh.labeled.is_same_labeling(ell, order[ell])
      ell2 = order[ell]
      ell2[ell == 0] = 1
  
      assert not mh.labeled.is_same_labeling(ell, ell2)
  
imports: import numpy
  import mahotas
  import mahotas.labeled
  from pytest import raises
label_desc: Use image node_id 18 for calling a global function with example usage: test_is_same_labeling() without return types